[Freeciv-Dev] ai autosettlers

[Thue Janus Kristensen <thue.kristensen@xxxxxxxxxx>]

There were a bug in the last patch I sent; this one should work better.

Note that the patch does not just stop the ai settlers from builing cities next
right next to other cities(the actual bug), but also
from inside the worked area of other cities. The ai did this late in the game
on well developed continents (because they had a large surplus of settlers and
no obvious cities to add to within the range they checked, I think), such
robbing the existing big cities of their land. If you don't fell this part is
necessary edit it out. I might play more with the autosettler code soon...
beware

-Thue

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